Mounjaro
If you’re researching prescription weight-loss injections, you’ve probably come across Mounjaro (tirzepatide) and Ozempic (semaglutide) — two of the most effective GLP-1 treatments available today.
But which one works better, and which is right for you?
This pharmacist-approved comparison from PPRX Online Pharmacy explains how they differ, what results to expect, and how to choose safely in the UK.
1. How They Work – Mounjaro & Ozempic
Both medicines mimic natural hormones that regulate appetite and blood sugar — but Mounjaro targets two hormones, while Ozempic targets only one.
| Injection | Active Ingredient | Hormones Targeted | Mechanism |
|---|---|---|---|
| Mounjaro | Tirzepatide | GLP-1 + GIP | Dual-action hormone therapy for stronger appetite control and metabolism |
| Ozempic | Semaglutide | GLP-1 only | Reduces hunger and slows digestion |
Because Mounjaro activates an extra hormone (GIP), many patients experience faster and more consistent results.
2. Weight-Loss Results: Head-to-Head
| Duration | Average Weight Loss (Ozempic) | Average Weight Loss (Mounjaro) |
|---|---|---|
| 3 months | 5–7% body weight | 8–10% body weight |
| 6 months | 10–12% | 15% + |
| 12 months | 15% | Up to 22% |
Clinical trials show Mounjaro users typically lose 25–30% more weight than those using Ozempic over the same period.
3. Dosing Schedule Mounjaro and Ozempic
Both are once-weekly injections, but Mounjaro’s step-up plan allows greater flexibility and control.
| Medicine | Starting Dose | Maximum Dose | Typical Duration per Pen |
|---|---|---|---|
| Mounjaro | 2.5 mg | 15 mg | 4 weeks (4 doses) |
| Ozempic | 0.25 mg | 2 mg | 4 weeks (4 doses) |
4. Side-Effect Comparison
Both treatments have similar side-effects during the first few weeks, which usually settle as your body adjusts.
| Symptom | Mounjaro | Ozempic |
|---|---|---|
| Nausea | Common (mild) | Common (mild) |
| Constipation | Occasional | Occasional |
| Heartburn | Sometimes | Sometimes |
| Fatigue | Mild | Mild |
At PPRX, our pharmacists provide guidance to manage side-effects — including meal timing, hydration, and dose pacing.
5. Mounjaro vs Ozempic Price (October 2025)
| Strength | Mounjaro (4-Week Supply) | Ozempic (4-Week Supply) |
|---|---|---|
| Starter dose | £199.99 | £170 |
| Medium dose | £299.99 | £200 |
| High dose | £349.99 | £300 |
All PPRX prices include:
- Free online consultation
- Private prescription
- Cold-chain next-day delivery
- Pharmacist support
➡️ Buy Mounjaro UK – PPRX Online Pharmacy
➡️ Buy Ozempic UK – PPRX Online Pharmacy
6. Which One Is Right for You?
Choose Mounjaro if you:
- Want faster or greater weight loss
- Have insulin resistance or PCOS
- Have used GLP-1 injections before and want a stronger option
Choose Ozempic if you:
- Prefer a gentler introduction to GLP-1 therapy
- Have type 2 diabetes and need blood-sugar management first
- Are more sensitive to nausea and want lower starting doses
7. Why Buy from PPRX
- Fully GPhC-registered UK pharmacy (Reg No. 9012740)
- Only genuine, UK-sourced pens dispensed under prescription
- Free consultation with licensed prescribers
- Next-day tracked cold-chain delivery
- Travel letters available for international customers
FAQs
Is Mounjaro stronger than Ozempic?
Yes — Mounjaro acts on two hormones (GLP-1 + GIP), leading to stronger appetite control and improved metabolic effects.
Can I switch from Ozempic to Mounjaro?
Yes — under medical supervision. Our prescribers can advise how to switch safely.
Are both available on the NHS?
Ozempic is available for type 2 diabetes. Mounjaro is currently private for weight loss.
Can tourists buy either in the UK?
Yes — both can be purchased privately with a UK delivery address and prescription from PPRX.
Pharmacist Review
This comparison was written and reviewed by a GPhC-registered pharmacist in line with MHRA and NICE guidance for tirzepatide and semaglutide use in the UK.
Start your order today at www.pprx.co.uk
At PPRX UK, we provide:
- Genuine Mounjaro pens, sourced directly from the manufacturer (Eli Lilly)
- Dispensing via a GPhC-registered UK pharmacy
- Professional consultations with UK pharmacists
- Ongoing support, dosage guidance, and repeat supply options
Whether you’re just starting or switching from Ozempic or Wegovy, we’re here to help.
📞 Get in Touch
Visit www.pprx.co.uk or contact us directly to begin your online consultation.
We offer fast, discreet UK-wide delivery and exceptional support throughout your journey.
Mounjaro is a prescription-only medicine. This article is for informational purposes only and does not replace medical advice. Always consult a qualified healthcare provider before starting treatment. nhs
